Merge branch 'spi-5.3' into spi-5.4

[linux-2.6-microblaze.git] / include / linux / remoteproc.h

diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
index 04d0470..16ad666 100644 (file)
--- a/include/linux/remoteproc.h
+++ b/include/linux/remoteproc.h
@@ -100,7 +100,9 @@ struct fw_rsc_hdr {
  *                 the remote processor will be writing logs.
  * @RSC_VDEV:       declare support for a virtio device, and serve as its
  *                 virtio header.
- * @RSC_LAST:       just keep this one at the end
+ * @RSC_LAST:       just keep this one at the end of standard resources
+ * @RSC_VENDOR_START:  start of the vendor specific resource types range
+ * @RSC_VENDOR_END:    end of the vendor specific resource types range
  *
  * For more details regarding a specific resource type, please see its
  * dedicated structure below.
@@ -111,11 +113,13 @@ struct fw_rsc_hdr {
  * please update it as needed.
  */
 enum fw_resource_type {
-       RSC_CARVEOUT    = 0,
-       RSC_DEVMEM      = 1,
-       RSC_TRACE       = 2,
-       RSC_VDEV        = 3,
-       RSC_LAST        = 4,
+       RSC_CARVEOUT            = 0,
+       RSC_DEVMEM              = 1,
+       RSC_TRACE               = 2,
+       RSC_VDEV                = 3,
+       RSC_LAST                = 4,
+       RSC_VENDOR_START        = 128,
+       RSC_VENDOR_END          = 512,
 };
 
 #define FW_RSC_ADDR_ANY (-1)
@@ -339,6 +343,16 @@ struct rproc_mem_entry {
 
 struct firmware;
 
+/**
+ * enum rsc_handling_status - return status of rproc_ops handle_rsc hook
+ * @RSC_HANDLED:       resource was handled
+ * @RSC_IGNORED:       resource was ignored
+ */
+enum rsc_handling_status {
+       RSC_HANDLED     = 0,
+       RSC_IGNORED     = 1,
+};
+
 /**
  * struct rproc_ops - platform-specific device handlers
  * @start:     power on the device and boot it
@@ -346,6 +360,10 @@ struct firmware;
  * @kick:      kick a virtqueue (virtqueue id given as a parameter)
  * @da_to_va:  optional platform hook to perform address translations
  * @parse_fw:  parse firmware to extract information (e.g. resource table)
+ * @handle_rsc:        optional platform hook to handle vendor resources. Should return
+ * RSC_HANDLED if resource was handled, RSC_IGNORED if not handled and a
+ * negative value on error
+ * @load_rsc_table:    load resource table from firmware image
  * @find_loaded_rsc_table: find the loaded resouce table
  * @load:              load firmware to memory, where the remote processor
  *                     expects to find it
@@ -358,6 +376,8 @@ struct rproc_ops {
        void (*kick)(struct rproc *rproc, int vqid);
        void * (*da_to_va)(struct rproc *rproc, u64 da, int len);
        int (*parse_fw)(struct rproc *rproc, const struct firmware *fw);
+       int (*handle_rsc)(struct rproc *rproc, u32 rsc_type, void *rsc,
+                         int offset, int avail);
        struct resource_table *(*find_loaded_rsc_table)(
                                struct rproc *rproc, const struct firmware *fw);
        int (*load)(struct rproc *rproc, const struct firmware *fw);